#div1{
	width: 300px;
	height: 100px;
	background-color: blue;
	border: 1px solid red;
	
	position: absolute; /* 绝对定位：设置x轴和y轴坐标(这个坐标和easyx一样，是指左上角点的坐标)*/
	top: 100px;
	left: 300px;
}